A dark Arctic tale set after the ice melts

In his book 'After the Ice,' Anderson writes of a world in which Arctic ice has permanently melted and polar bears don't exist. He says the nightmare will likely come true in only decades. It's hard to imagine a world in which polar bears don't exist in the wild. Alun Anderson, former editor-in-chief of New Scientist magazine, asserts that it most likely will occur in our lifetime.

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